Why exactly did the American colonists🇺🇸 throw the British🇬🇧 tea☕ into the Boston Harbor🚢 again?

They had no issue with the French and Dutch tea, which they smuggled in. So what was wrong with the British tea?

Didn't the British government lower the tea tax and try to do them a favor?

I'm not American so can somebody please help me on this?
Why exactly did the American colonists🇺🇸 throw the British🇬🇧 tea☕ into the Boston Harbor🚢 again?
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